Data are recorded from visits most closely aligned with the planned periods of Visit 0 (V0): Baseline (After decision to use the temporary naso-duodenal tube (approximately 2-14 days) and after signature of the Patient Authorization/Informed Consent Form); Visit 1 (V1): At discharge from hospital; Visit 2 (V2): 3 months after discharge; Visit 3 (V3): 6 months after discharge; Visit 4 (V4): 12 months after discharge.